Mutagen Madness (Rewrite)
Status
Summary
Shredder is looking for a cure for Karai, and when he learns that Donatello can create a retromutagen and cure his 'daughter' he kidnaps Donnie and does everything he can to force Donnie to make the retromutagen. Can the others find him and save him in time before something bad happens? Rated K just in case. OBS, UPDATED CHAPTER 7!